phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '900250a98fffb9e60aae31cb0faf4bb4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('900250a98fffb9e60aae31cb0faf4bb4', -1, 1752276654, 1752276654, 'd849d8d8', 40, 0, 0)

Line : 187
File : sessions.php